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An Efficient Frame-Content Based Intra Frame Rate Control for High Efficiency Video Coding
2015
IEEE Signal Processing Letters
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In addition, a new coding tree unit (CTU) level bit allocation method is developed. ...
In this letter, a gradient based R-lambda (GRL) model is proposed for the intra frame rate control, where the gradient can effectively measure the frame-content complexity and enhance the performance of ...
On the contrary, our method can obtain a frame-content based and the initial QP for different video sequences based on their frame gradients. ...
doi:10.1109/lsp.2014.2377032
fatcat:uf3zxovd55gklh7xsn5dnoz4fy
A Novel Rate Control Algorithm Based on ρ Model for Multiview High Efficiency Video Coding
2020
Electronics
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Then, we established the ρ domain rate control model based on multi-objective optimization. ...
Therefore, in this study we propose a novel ρ domain rate control algorithm for multiview high efficiency video coding (MV-HEVC). ...
Acknowledgments: We thank the Interactive Visual Media group of Mitsubishi Electric Research Laboratories and Nagoya University/Tanimoto Lab for the data we used. ...
doi:10.3390/electronics9010166
fatcat:dpvmo7pr7rahdlq2isrvcwmvje
Improved Bit Allocation Algorithm for Multiview High Efficiency Video Coding
2019
International Journal of Performability Engineering
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This paper, aiming at the problem of the traditional RD rate control model and inaccurate bit allocation of multi-view high-efficiency video coding (MV-HEVC), proposes a rate control algorithm for MV-HEVC ...
Then, the frame layer and basic unit layer bit allocation and rate control are performed based on the frame rate, target buffer capacity, actual buffer size, and active time domain complexity of the frame ...
A reasonable bit allocation is performed for each viewpoint based on the inter-view correlation analysis to avoid the negative impact of the buffer "liquid level" fluctuation on the frame target bit allocation ...
doi:10.23940/ijpe.19.03.p13.842849
fatcat:5c4hcw65xfhilfsnmtqzszelaa
Rate Control Technology for Next Generation Video Coding Overview and Future Perspective
2022
Electronics
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Rate control (RC) is part of rate distortion optimization (RDO) whose job is to find the optimal solution based on balancing rate and distortion. ...
It not only needs to consider the buffer and network status but also adjust the corresponding bit rate according to the video content. ...
[37] proposed a content-based frame-level and CTU-level optimal bit allocation algorithm, which can better adjust the allocation bits of important pictures and corresponding blocks and improve the rate-distortion ...
doi:10.3390/electronics11234052
fatcat:fv73raizt5hzddlto6m24plpii
Perceptual-based HEVC Intra Coding Optimization using Deep Convolution Networks
2019
IEEE Access
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Second, based on the saliency map, a modified rate-distortion optimization (RDO) method is designed to adaptively adjust bit rate allocation. ...
In this paper, we propose a novel perceptual-based intra coding optimization algorithm for the High Efficiency Video Coding (HEVC) using deep convolution networks (DCNs). ...
ACKNOWLEDGMENTS The authors would like to thank the editors and anonymous reviewers for their valuable comments. Further thanks to Aaditya Prakash for sharing his method. ...
doi:10.1109/access.2019.2910245
fatcat:olffrjyxvrd3nn755e5vivxr3q
Video Error-Resilience Research Based on Error-Resilient Screen Content
2020
Applied Sciences
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Motivated by this, a frame-level coding selection mechanism is proposed in this paper for the error-resilience transmission of screen content, where additional code stream or redundant information is considered ...
However, the redundancy mechanism behind classical redundant coding algorithms is relatively simple and is not suitable for the network environment and video content in the context of screen content sequence ...
i * ω CurrPic (13) (3) Largest Coding Unit (LCU) level bit allocation Similar to the frame-level bit allocation strategy, the bits allocated to each LCU are calculated based on: T LCU = T CurrPic − Bit ...
doi:10.3390/app10144923
fatcat:3u6tkerzwzazferwfvq2vksylu
Efficient bit allocation and CTU level rate control for High Efficiency Video Coding
2013
2013 Picture Coding Symposium (PCS)
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Index Terms-HEVC, rate control, bit allocation. ...
On top of the CTU level rate control algorithm, an efficient bit allocation method considering the HEVC hierarchical coding structure is specifically designed. ...
GOP Level Bit Allocation In our previous work [6, 7] , a frame level rate control scheme was proposed for HEVC. Average bit allocation is performed for each frame. ...
doi:10.1109/pcs.2013.6737690
dblp:conf/pcs/SiMG13
fatcat:lqnegmkh3nchhh3hcnfytwucka
Perception-Based CTU Level Bit Allocation for Intra High Efficiency Video Coding
2019
IEEE Access
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To address this problem, in this paper, a perception based Coding Tree Unit (CTU) level bit allocation algorithm for intra High Efficiency Video Coding (HEVC) is proposed, which aims to minimize the perceptual ...
Moreover, the proposed perception-based CTU level bit allocation algorithm also maintains a high rate control accuracy, which reaches 99.997%. ...
Therefore, a perception based CTU level bit allocation algorithm for intra High Efficiency Video Coding (HEVC) is proposed. ...
doi:10.1109/access.2019.2948709
fatcat:plijkl6jgjg7vpjntvcocbddde
Recent Advances in Rate Control: From Optimization to Implementation and Beyond
[article]
2022
arXiv
pre-print
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Most RC algorithms directly or indirectly characterize the relationship between the bit rate (R) and quantization (Q) and then allocate bits for every coding unit to guarantee the global bit rate and video ...
quality level. ...
The authors of [55] , [60] constructed R-D models on the basis of optimized bit allocation. [46] . The works in [49] , [57] addressed optimized RC in accordance with the video content. ...
arXiv:2205.10815v1
fatcat:6fy7e4bn6vgkbifsszb4xkp4ja
Methods and Criteria for Evaluating Controllability of Video Bit Rate in HEVC-SCC
2021
International journal of industrial electronics, control and optimization
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These videos are called screen content (SC) videos whose specific encoder has been introduced as a new extension of the HEVC standard called screen content coding (SCC). ...
Videos directly captured from a computer or smartphone screen have certain characteristics that differentiate them from camera-captured (CC) ones. ...
The real encoding process is optimized at bit allocation and bit control based on the stored coding information. ...
doi:10.22111/ieco.2021.37880.1344
doaj:96d1c3df6c894901ba5ef1472c82de21
fatcat:iwsmrvnd3rf3ldklxdlr4gl6fa
Deep Convolutional Feature-Driven Rate Control for the HEVC Encoders
2021
IEEE Access
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This work proposes a rate control model based on deep convolutional features to improve the video coding performance of the HEVC encoders under the random access (RA) configuration. ...
Subsequently, R-λ parameters (alpha and beta), bit allocation, λ estimation, and quantization parameter decision at frame-level are formulated by utilizing the extracted high-level features to maintain ...
[36] proposed a frame-level rate control based on visual characteristics of the input video for HEVC. ...
doi:10.1109/access.2021.3132294
fatcat:lkcds64fhbhzvhsoklqtppzrue
Bitrate Estimation for Spatial Scalable Videos
2021
IEEE transactions on broadcasting
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Then, a scalable-video dataset is prepared. It covers various types of content to offer diversity for model training. ...
First, we exhibit necessity to build a model for Scalable High Efficiency Video Coding (SHVC) and quantitative relation between video content and bitrate using different encoders. ...
[15] provides an estimation method based on structural similarity for CTU-level bit allocation, and optimizes it with the Nash negotiation solution. ...
doi:10.1109/tbc.2021.3064278
fatcat:rlfzal22ibgb3c32vxyiwkd5aq
Rate Control Optimization Algorithm Based on R-λ Model in H.266/VVC
2022
Journal of Research in Science and Engineering
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In this paper, we propose a new frame-level rate control scheme based on quality dependent factor by studying the effect of skipping blocks on rate-distortion parameters and quality dependence. ...
And the bit error rate has been reduced by 0.03% and 0.09% respectively. The improved rate control algorithm improves the rate-distortion performance while reducing the bit error rate. ...
Conclusion Based on the analysis of skip block information, this paper proposes a frame-level bit allocation scheme based on quality dependent factors, which effectively improves the video coding quality ...
doi:10.53469/jrse.2022.04(02).06
fatcat:kmywynvexncqzfpj36pbava7dm
λ-domain VVC Rate Control Based on Game Theory
[article]
2022
arXiv
pre-print
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Finally, we propose an effective CTU-level rate allocation with the optimal λ value. To the best of our knowledge, we are the first to combine game theory with λ-domain rate control. ...
., Coding Tree Units (CTUs) in the frame. ...
[17] exploited RD characteristics for sequences by deriving new R-Q and D-Q models for frame-level RC. A dependency factor models the inter-frame dependency characteristics. ...
arXiv:2205.03595v1
fatcat:fnkkdkkdavdddf4xmvccfsys5y
Rate-Distortion Optimization Based on Two-Pass Encoding for HEVC
2021
IEEE Access
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First, a frame is encoded with the original HEVC scheme to obtain the R-D model of coding tree units (CTU) and the bit budget of the frame. ...
Rate-distortion optimization (RDO) is a crucial technique in block-based hybrid video encoders, which determines the coding option for a certain coding unit to achieve optimal rate-distortion (R-D) performance ...
The optimal bit allocation at frame level for rate control, which is our previous work, is referred to as OBA-F [35] . ...
doi:10.1109/access.2021.3123393
fatcat:w2nxfm64hraypjcqrlhfhny7hm
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